| Name | CVE-2016-4483 |
| Description | The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-503-1, DSA-3593-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 823405 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxml2 (PTS) | wheezy | 2.8.0+dfsg1-7+wheezy5 | vulnerable |
| wheezy (security) | 2.8.0+dfsg1-7+wheezy9 | fixed | |
| jessie | 2.9.1+dfsg1-5+deb8u4 | fixed | |
| jessie (security) | 2.9.1+dfsg1-5+deb8u5 | fixed | |
| stretch (security), stretch | 2.9.4+dfsg1-2.2+deb9u1 | fixed | |
| buster, sid | 2.9.4+dfsg1-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | (unstable) | 2.9.3+dfsg1-1.1 | medium | 823405 | |
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u2 | medium | DSA-3593-1 | |
| libxml2 | source | wheezy | 2.8.0+dfsg1-7+wheezy6 | medium | DLA-503-1 |
Minor issue, only when using libxml2 using recovery mode
https://git.gnome.org/browse/libxml2/commit/?id=c97750d11bb8b6f3303e7131fe526a61ac65bcfd (v2.9.4)
https://bugzilla.gnome.org/show_bug.cgi?id=766414